                 *{
                 	margin: 0;
                 	padding: 0;
                 }
                 .bot{
					position: fixed;
					left: 0;
					bottom: -.2rem;
					background: white;
					width: 100%;
					height: 1.4rem;
					margin: 0 auto;
					font-size: 16px;
					text-align: center;
				}
				.bot div{
					margin-left: 1rem;
					margin-right:.6rem ;
				}
				#huan1{
					width: .7rem;
				}
				#huan2{
					width: .7rem;
				}
				#huan3{
					width: .7rem;
				}
				#huan4{
					width: .7rem;
				}
				.icon1{
					display: inline-block;
				}
				.icon2{
					display: inline-block;
				}
				.icon3{
					display: inline-block;
				}
				.icon4{
					display: inline-block;
				}